easily feels emotion, easily hurt emotionally (can be positive or negative).
Sensitive
someone who is humble, a realistic and practical person who has sensible reactions and expectations.
down to earth
someone who is very kind and caring.
A heart of gold
someone who looks completely innocent but they are capable of doing naughty/unpleasant things.
Butter wouldn't melt in his/her mouth
someone who is unwilling to listen to reason or change their mind about something.
As stubborn as a mule
hard to please, too careful in choosing something.
Picky
someone who is lazy and spends too much time in front of the TV and eating junk food.
A couch potato
a person who is full of nonsense and talks a lot without saying anything worthwhile.
Full of hot air
seeing little or no good in other people, believing that people do good things for bad reasons.
Cynical
someone who is very annoying.
A pain in the neck
having strange, unusual or abnormal habits or tastes (This term is less insulting than strange, weird or bizarre)
eccentric
someone who is very unsympathetic who does not seem to care about others.
Hard as nails
someone who cannot be trusted because they are unpredictable and have irresponsible behaviour which can cause trouble.
a loose cannon
someone who thinks they are more superior than other people.
High and mighty